public void Add(Bar bar)
{
var barsWithInstrumentId = this.bars[bar.InstrumentId] = this.bars[bar.InstrumentId] ?? new IdArray<IdArray<BarSeries>>(8);
var barsWithInstrumentIdAndType = barsWithInstrumentId[(int)bar.Type] = barsWithInstrumentId[(int)bar.Type] ?? new IdArray<BarSeries>();
var barsWithInstrumentIdAndTypeAndSize = barsWithInstrumentIdAndType[(int)bar.Size] = barsWithInstrumentIdAndType[(int)bar.Size] ?? new BarSeries("", "", -1, -1);
barsWithInstrumentIdAndTypeAndSize.Add(bar);
}